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| /**
* MooFlow - Image gallery
*
* Dependencies: MooTools 1.2
*
* @version 0.2.1
*
* @license MIT-style license
* @author Tobias Wetzel <info [at] outcut.de>
* @copyright Author
* @docmentation <a href="http://outcut.de/MooFlow/Docmentation.html" target="_blank">http://outcut.de/MooFlow/Docmentation.html</a>
*/
var MooFlow = new Class({
Implements: [Events, Options],
options: {
onStart: $empty,
onClickView: $empty,
onAutoPlay: $empty,
onAutoStop: $empty,
onRequest: $empty,
onResized: $empty,
onEmptyinit: $empty,
reflection: 0.4,
heightRatio: 0.5,
offsetY: 0,
startIndex: 0,
interval: 3000,
factor: 115,
bgColor: '#fff',
useCaption: true,
useResize: true,
useSlider: true,
useWindowResize: true,
useMouseWheel: true,
useKeyInput: true,
useViewer: true
},
initialize: function(element, options){
this.MooFlow = element;
this.setOptions(options);
this.foc = 150;
this.factor = this.options.factor;
this.offY = this.options.offsetY;
this.isFull = false;
this.isAutoPlay = false;
this.isLoading = false;
this.inMotion = false;
this.MooFlow.addClass('mf').setStyles({
'overflow':'hidden',
'background-color':this.options.bgColor,
'position':'relative',
'height':this.MooFlow.getSize().x*this.options.heightRatio,
'opacity':0
});
if(this.options.useWindowResize) window.addEvent('resize', this.update.bind(this, 'init'));
if(this.options.useMouseWheel || this.options.useSlider) this.MooFlow.addEvent('mousewheel', this.wheelTo.bind(this));
if(this.options.useKeyInput) document.addEvent('keydown', this.keyTo.bind(this));
this.getElements(this.MooFlow);
},
clearInit: function(){
this.fireEvent('emptyinit');
},
getElements: function(el){
this.master = {'images':[]};
var els = el.getChildren();
if(!els.length) {this.clearInit(); return;}
$$(els).each(function(el){
var hash = $H(el.getElement('img').getProperties('src','title','alt','longdesc'));
if(el.get('tag') == 'a') hash.combine(el.getProperties('href','rel','target'));
this.master['images'].push(hash.getClean());
el.dispose();
}, this);
this.clearMain();
},
clearMain: function(){
if(this.cap){this.cap.fade(0);}
if(this.nav){
new Fx.Tween(this.nav, {
'onComplete': function(){
this.MooFlow.empty();
this.createAniObj();
}.bind(this)
}).start('bottom', -50);
}
if(!this.nav && !this.cap){
this.MooFlow.empty();
this.createAniObj();
}
},
getMooFlowElements: function(key){
var els = [];
this.master.images.each(function(el){
els.push(el[key]);
});
return els;
},
createAniObj: function(){
this.aniFx = new Fx.Value({
'transition': Fx.Transitions.Expo.easeOut,
'link': 'cancel',
'duration': 750,
onMotion: this.process.bind(this),
'onStart': this.flowStart.bind(this),
'onComplete': this.flowComplete.bind(this)
});
this.addLoader();
},
addLoader: function(){
this.MooFlow.store('height', this.MooFlow.getSize().y);
this.loader = new Element('div',{'class':'loader'}).inject(this.MooFlow);
new Fx.Tween(this.MooFlow, {
'duration': 800,
'onComplete': this.preloadImg.bind(this)
}).start('opacity', 1);
},
preloadImg: function(){
this.loadedImages = new Asset.images(this.getMooFlowElements('src'), {
'onComplete': this.loaded.bind(this),
'onProgress': this.createMooFlowElement.bind(this)
});
},
createMooFlowElement: function(counter, i){
var obj = this.getCurrent(i);
var img = this.loadedImages[i];
obj['width'] = img.width;
obj['height'] = img.height;
img.removeProperties('width','height');
obj['div'] = new Element('div').setStyles({
'position':'absolute',
'display':'none',
'height': this.MooFlow.getSize().y
}).inject(this.MooFlow);
obj['con'] = new Element('div').inject(obj['div']);
img.setStyles({'vertical-align':'bottom', 'width':'100%', 'height':'50%'});
img.addEvents({'click': this.clickTo.bind(this, i), 'dblclick': this.viewCallBack.bind(this, i)});
img.inject(obj['con']);
new Element('div').reflect({ 'img': img,
'ref': this.options.reflection,
'height': obj.height,
'width': obj.width,
'color': this.options.bgColor
}).setStyles({'width':'100%','height':'50%','background-color': this.options.bgColor}).inject(obj['con']);
this.loader.set('text', (counter+1) + ' / ' + this.loadedImages.length);
},
loaded: function(){
this.index = this.options.startIndex;
this.iL = this.master.images.length-1;
new Fx.Tween(this.loader, {
'duration': 800,
'onComplete': this.createUI.bind(this)
}).start('opacity', 0);
},
createUI: function(){
this.loader.dispose();
if(this.options.useCaption){
this.cap = new Element('div').addClass('caption').set('opacity',0).inject(this.MooFlow);
}
this.nav = new Element('div').addClass('mfNav').setStyle('bottom','-50px');
this.autoPlayCon = new Element('div').addClass('autoPlayCon');
this.sliderCon = new Element('div').addClass('sliderCon');
this.resizeCon = new Element('div').addClass('resizeCon');
if(this.options.useAutoPlay){
this.autoPlayCon.adopt(
new Element('a',{'class':'stop','events': {'click':this.stop.bind(this)}}),
new Element('a',{'class':'play','events': {'click':this.play.bind(this)}})
);
}
if(this.options.useSlider){
this.sliPrev = new Element('a',{'class':'sliderNext','events': {'click':this.prev.bind(this)}});
this.sliNext = new Element('a',{'class':'sliderPrev','events': {'click':this.next.bind(this)}});
this.knob = new Element('div',{'class':'knob'});
this.knob.adopt(new Element('div',{'class':'knobleft'}));
this.knob.adopt(new Element('div',{'class':'knobright'}));
this.slider = new Element('div',{'class':'slider'}).adopt(this.knob);
this.sliderCon.adopt(this.sliPrev,this.slider,this.sliNext);
this.slider.store('parentWidth', this.sliderCon.getSize().x-this.sliPrev.getSize().x-this.sliNext.getSize().x);
}
if(this.options.useResize){
this.resizeCon.adopt(new Element('a',{'class':'resize','events': {'click':this.setScreen.bind(this)}}));
}
this.MooFlow.adopt(this.nav.adopt(this.autoPlayCon, this.sliderCon, this.resizeCon));
this.showUI();
},
showUI: function(){
if(this.cap) this.cap.fade(1);
this.nav.tween('bottom', 20);
this.fireEvent('start');
this.update();
},
update: function(e){
if(e == 'init') return;
this.oW = this.MooFlow.getSize().x;
this.sz = this.oW * 0.5;
if(this.options.useSlider){
this.slider.setStyle('width',this.slider.getParent().getSize().x-this.sliPrev.getSize().x-this.sliNext.getSize().x-1);
this.knob.setStyle('width',(this.slider.getSize().x/this.iL));
this.sli = new SliderEx(this.slider, this.knob, {steps: this.iL}).set(this.index);
this.sli.addEvent('onChange', this.glideTo.bind(this));
}
this.glideTo(this.index);
this.isLoading = false;
},
setScreen: function(){
if(this.isFull = !this.isFull){
this.holder = new Element('div').inject(this.MooFlow,'after');
this.MooFlow.wraps(new Element('div').inject(document.body));
this.MooFlow.setStyles({'position':'absolute','z-index':'100','top':'0','left':'0','width':window.getSize().x,'height':window.getSize().y});
if(this.options.useWindowResize){
this._initResize = this.initResize.bind(this);
window.addEvent('resize', this._initResize);
}
} else {
this.MooFlow.wraps(this.holder);
window.removeEvent('resize', this._initResize);
delete this.holder, this._initResize;
this.MooFlow.setStyles({'position':'relative','z-index':'','top':'','left':'','width':'','height':this.MooFlow.retrieve('height')});
this.slider.setStyle('width',this.slider.retrieve('parentWidth'));
}
this.fireEvent('resized', this.isFull);
this.update();
},
initResize: function(){
this.MooFlow.setStyles({'width':window.getSize().x,'height':window.getSize().y});
this.update();
},
getCurrent: function(index){
return this.master.images[$chk(index) ? index : this.index];
},
loadJSON: function(url){
if(!url || this.isLoading) return;
this.isLoading = true;
new Request.JSON({
'onComplete': function(data){
if($chk(data)){
this.master = data;
this.clearMain();
this.fireEvent('request', data);
}
}.bind(this)
}, this).get(url);
},
loadHTML: function(url, filter){
if(!url || !filter || this.isLoading) return;
this.isLoading = true;
new Request.HTML({
'onSuccess': function(tree, els, htm){
var result = new Element('div', {'html': htm}).getChildren(filter);
this.getElements(result);
this.fireEvent('request', result);
}.bind(this)
}, this).get(url);
},
flowStart: function(){
this.inMotion = true;
},
flowComplete: function(){
this.inMotion = false;
},
viewCallBack: function(index){
if(this.index != index || this.inMotion) return;
var el = $H(this.getCurrent());
var returnObj = {};
returnObj['coords'] = el.div.getElement('img').getCoordinates();
el.each(function(v, k){
if($type(v) == 'number' || $type(v) == 'string') returnObj[k] = v;
}, this);
this.fireEvent('clickView', returnObj);
},
prev: function(){
if(this.index > 0) this.clickTo(this.index-1);
},
next: function(){
if(this.index < this.iL) this.clickTo(this.index+1);
},
stop: function(){
$clear(this.autoPlay);
this.isAutoPlay = false;
this.fireEvent('autoStop');
},
play: function(){
this.autoPlay = this.auto.periodical(this.options.interval, this);
this.isAutoPlay = true;
this.fireEvent('autoPlay');
},
auto: function(){
if(this.index < this.iL) this.next();
else if(this.index == this.iL) this.clickTo(0);
},
keyTo: function(e){
switch (e.code){
case 37: e.stop(); this.prev(); break;
case 39: e.stop(); this.next();
}
},
wheelTo: function(e){
if(e.wheel > 0) this.prev();
if(e.wheel < 0) this.next();
e.stop().preventDefault();
},
clickTo: function(index){
if(this.index == index) return;
//this.aniFx.cancel();
if(this.sli) this.sli.set(index);
this.glideTo(index);
},
glideTo: function(index){
this.index = index;
this.aniFx.start(this.aniFx.get(), index*-this.foc);
if(this.cap) this.cap.set('html', this.getCurrent().title);
},
process: function(x){
var z,W,H,zI=this.iL,foc=this.foc,f=this.factor,sz=this.sz,oW=this.oW,offY=this.offY,div,elh,elw;
this.master.images.each(function(el){
div = el.div.style;
elw = el.width;
elh = el.height;
if(x>-foc*6 && x<foc*6){
with (Math) {
z = sqrt(10000 + x * x) + 100;
H = round((elh / elw * f) / z * sz);
W = round(elw * H / elh);
if(H >= elw * 0.5) {W = round(f / z * sz);}
div.left = round(((x / z * sz) + sz) - (f * 0.5) / z * sz) + 'px';
div.top = round(oW * 0.4 - H) + offY + 'px';
}
el.con.style.height = H*2 + 'px';
div.width = W + 'px';
div.zIndex = x < 0 ? zI++ : zI--;
div.display = 'block';
} else {
div.display = 'none';
}
x += foc;
});
}
});
var SliderEx = new Class({
Extends: Slider,
set: function(step){
this.step = Math.round(step);
this.fireEvent('tick', this.toPosition(this.step));
return this;
},
clickedElement: function(event){
var dir = this.range < 0 ? -1 : 1;
var position = event.page[this.axis] - this.element.getPosition()[this.axis] - this.half;
position = position.limit(-this.options.offset, this.full -this.options.offset);
this.step = Math.round(this.min + dir * this.toStep(position));
this.checkStep();
this.fireEvent('tick', position);
}
});
Fx.Value = new Class({
Extends: Fx,
compute: function(from, to, delta){
this.value = Fx.compute(from, to, delta);
this.fireEvent('motion', this.value);
return this.value;
},
get: function(){
return this.value || 0;
}
});
Element.implement({
reflect: function(arg){
i = arg.img.clone();
if(Browser.Engine.trident){
i.style.filter = 'flipv progid:DXImageTransform.Microsoft.Alpha(opacity=20, style=1, finishOpacity=0, startx=0, starty=0, finishx=0, finishy='+100*arg.ref+')';
i.setStyles({'width':'100%', 'height':'100%'});
return new Element('div').adopt(i);
} else {
var can = new Element('canvas').setProperties({'width':arg.width, 'height':arg.height});
if(can.getContext){
var ctx = can.getContext("2d");
ctx.save();
ctx.translate(0,arg.height-1);
ctx.scale(1,-1);
ctx.drawImage(i, 0, 0, arg.width, arg.height);
ctx.restore();
ctx.globalCompositeOperation = "destination-out";
ctx.fillStyle = arg.color;
ctx.fillRect(0, arg.height*0.5, arg.width, arg.height);
var gra = ctx.createLinearGradient(0, 0, 0, arg.height*arg.ref);
gra.addColorStop(1, "rgba(255, 255, 255, 1.0)");
gra.addColorStop(0, "rgba(255, 255, 255, "+(1-arg.ref)+")");
ctx.fillStyle = gra;
ctx.rect(0, 0, arg.width, arg.height);
ctx.fill();
delete ctx, gra;
}
return can;
}
}
});
window.addEvent('domready', function(){
$$('.MooFlowieze').each(function(mooflow){
new MooFlow(mooflow);
});
}); |
Slider qui n'apparaît pas dans galerie MooFlow
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